The struggle for power between two brothers was a recurrent theme especially during ancient and medieval history. Two species of orchids put together will compete... The orchid family contains up to 26 049 accepted species (except hybrids and cultivars). That is more than twice the number of bird species... Since it is spring - and it is possible to see only one person in the picture - this one is also a tribute to the Swedish botanist, physician, and zoologist, Carl von Linné. He laid the foundations for the modern scheme of binomial nomenclature. He is also known as one of the founders of modern ecology.